* {
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
}

.heading-primary {
    font-size: 2em;
    padding: 2em;
    text-align: center;
}

.accordion dl,
.accordion-list {
    border: 1px solid #ddd;
}

.accordion dl:after,
.accordion-list:after {
    content: "";
    display: block;
    height: 1em;
    width: 100%;
    background-color: #2ba659;
}

.accordion dd,
.accordion__panel {
    background-color: #eee;
    font-size: 1em;
    line-height: 1.5em;
}

.accordion p {
    padding: 1em 2em 1em 2em;
}

.accordion {
    position: relative;
    background-color: #eee;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 2em 0 2em 0;
}

.accordionTitle,
.accordion__Heading {
    background-color: #38cc70;
    text-align: center;
    font-weight: 700;
    padding: 2em;
    display: block;
    text-decoration: none;
    color: #fff;
    -webkit-transition: background-color 0.5s ease-in-out;
    transition: background-color 0.5s ease-in-out;
    border-bottom: 1px solid #30bb64;
}

.accordionTitle:before,
.accordion__Heading:before {
    content: "+";
    font-size: 1.5em;
    line-height: 0.5em;
    float: left;
    -webkit-transition: -webkit-transform 0.3s ease-in-out;
    transition: -webkit-transform 0.3s ease-in-out;
    transition: transform 0.3s ease-in-out;
    transition: transform 0.3s ease-in-out, -webkit-transform 0.3s ease-in-out;
}

.accordionTitle:hover,
.accordion__Heading:hover {
    background-color: #2ba659;
}

.accordionTitleActive,
.accordionTitle.is-expanded {
    background-color: #2ba659;
}

.accordionTitleActive:before,
.accordionTitle.is-expanded:before {
    -webkit-transform: rotate(-225deg);
    transform: rotate(-225deg);
}

.accordionItem {
    height: auto;
    overflow: hidden;
    max-height: 50em;
    -webkit-transition: max-height 1s;
    transition: max-height 1s;
}

@media screen and (min-width: 48em) {
    .accordionItem {
        max-height: 15em;
        -webkit-transition: max-height 0.5s;
        transition: max-height 0.5s;
    }
}

.accordionItem.is-collapsed {
    max-height: 0;
}

.no-js .accordionItem.is-collapsed {
    max-height: auto;
}

.animateIn {
    -webkit-animation: accordionIn 0.45s normal ease-in-out both 1;
    animation: accordionIn 0.45s normal ease-in-out both 1;
}

.animateOut {
    -webkit-animation: accordionOut 0.45s alternate ease-in-out both 1;
    animation: accordionOut 0.45s alternate ease-in-out both 1;
}

@-webkit-keyframes accordionIn {
    0% {
        opacity: 0;
        -webkit-transform: scale(0.9) rotateX(-60deg);
        transform: scale(0.9) rotateX(-60deg);
        -webkit-transform-origin: 50% 0;
        transform-origin: 50% 0;
    }
    100% {
        opacity: 1;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

@keyframes accordionIn {
    0% {
        opacity: 0;
        -webkit-transform: scale(0.9) rotateX(-60deg);
        transform: scale(0.9) rotateX(-60deg);
        -webkit-transform-origin: 50% 0;
        transform-origin: 50% 0;
    }
    100% {
        opacity: 1;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

@-webkit-keyframes accordionOut {
    0% {
        opacity: 1;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    100% {
        opacity: 0;
        -webkit-transform: scale(0.9) rotateX(-60deg);
        transform: scale(0.9) rotateX(-60deg);
    }
}

@keyframes accordionOut {
    0% {
        opacity: 1;
        -webkit-transform: scale(1);
        transform: scale(1);
    }
    100% {
        opacity: 0;
        -webkit-transform: scale(0.9) rotateX(-60deg);
        transform: scale(0.9) rotateX(-60deg);
    }
}